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Geo-Thermal hot water Question..

I am pretty much sure I am getting a Premium G 3 tonne unit for my house with the desuperheater. I am currently on oil with an oil hotwater tank, I had gas before(old house) and I am telling you oil kicks my ass (or burns it) with hot water, so here is my delema do I keep the oil hot water because I love to take long hot showers (endless supply of hotwater) or do I switch to electric with a secondary tank hooked up to the desuperheater? Will I run out of hot water? and will it be as hot?

You do need a storage tank direct to the desuperheater for a correct install. That would then feed whatever heater you want to use. Been there is right. You will only generate heat when the system is running. I just hooked my desuperheater up to a 50 gallon rheem marathon (no electric just storage)last week. It feeds my Rinnai tankless. Impressive results. After heat last night and system off all day my tank was 114 this AM. It falls off through the day of course to the 70-85 range and reheats at night when my heat kicks on again. Great combo no matter whether you use 2 tanks or tank/tankless setup.